Home / 1,547.02-2,319.90-1,002.70

Finding the Fourth Proportional to 1,547.02, 2,319.90 and 1,002.70

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Solution

The fourth proportional to 1,547.02, 2,319.90 and 1,002.70 is: 1,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.02 : 2,319.90 = 1,002.70 : x
  2. Step 2: Convert to fraction form
    1,547.02/2,319.90 = 1,002.70/x
  3. Step 3: Cross multiply
    1,547.02x = 2,319.90 × 1,002.70
  4. Step 4: Simplify right side
    1,547.02x = 2,326,163.73
  5. Step 5: Solve for x
    x = 2,326,163.73/1,547.02
  6. Step 6: Final answer
    x = 1,503.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.